189803223 has 8 divisors (see below), whose sum is σ = 281190000. Its totient is φ = 126535464.

The previous prime is 189803221. The next prime is 189803279. The reversal of 189803223 is 322308981.

It is a happy number.

189803223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189803223 - 2¹ = 189803221 is a prime.

It is a super-3 number, since 3×189803223³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189803221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3514848 + ... + 3514901.

It is an arithmetic number, because the mean of its divisors is an integer number (35148750).

Almost surely, 2^189803223 is an apocalyptic number.

189803223 is a deficient number, since it is larger than the sum of its proper divisors (91386777).

189803223 is an equidigital number, since it uses as much as digits as its factorization.

189803223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7029758 (or 7029752 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 189803223 is about 13776.9090510172. The cubic root of 189803223 is about 574.6911743017.

The spelling of 189803223 in words is "one hundred eighty-nine million, eight hundred three thousand, two hundred twenty-three".